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Completed Phase 2Phase 3 Interventional Results available

WATCHMAN Left Atrial Appendage System for Embolic PROTECTion in Patients With Atrial Fibrillation

ClinicalTrials.gov ID: NCT00129545

Public ClinicalTrials.gov record NCT00129545. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 12:38 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

WATCHMAN Left Atrial Appendage System for Embolic PROTECTion in Patients With Atrial Fibrillation (PROTECT AF)

Study identification

NCT ID
NCT00129545
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Boston Scientific Corporation
Industry
Enrollment
800 participants

Conditions and interventions

Interventions

  • WATCHMAN Left Atrial Appendage Closure Technology Device
  • Warfarin Drug

Device · Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 31, 2005
Primary completion
Jul 31, 2013
Completion
Apr 30, 2014
Last update posted
May 14, 2015

2005 – 2014

United States locations

U.S. sites
58
U.S. states
25
U.S. cities
49
Facility City State ZIP Site status
Advanced Cardiac Specialists Gilbert Arizona 85233
Arizona Arrhythmia Scottsdale Arizona 85251
Foundation for Cardiovascular Medicine La Jolla California 92037
Los Angeles Cardiology Associates Los Angeles California 90017
Cedars-Sinai Medical Center Los Angeles California 90048
El Camino Hospital Mountain View California 94040
Orange County Heart Orange County California 92868
UC Davis Medical Center Sacramento California 95817
St. John's Hospital / Pacific Heart Santa Monica California 90404
Washington Hospital Center Washington D.C. District of Columbia 20010
University of Miami Miami Florida 33136
Baptist Cardiac and Vascular Institute Miami Florida 33176
Bay Heart Group Tampa Florida 33607
Emory University Midtown Hospital Atlanta Georgia 30308
Piedmont Hospital Atlanta Georgia 30309
Emory University Hospital Atlanta Georgia 30322
University of Chicago Chicago Illinois 60637
North Shore University Evanston Illinois 60201
Loyola University Medical Center Maywood Illinois 60153
Prairie Education Research Cooperative Springfield Illinois 60637
Baptist Hospital West Lexington Kentucky 40503
University of Kentucky Lexington Kentucky 40536-0294
Terrebonne General Medical Center Houma Louisiana 70360
Ochsner Clinic New Orleans Louisiana 70121
Massachusetts General Hospital Boston Massachusetts 02114
University of Michigan Medical Center Ann Arbor Michigan 48109
William Beaumont Royal Oak Michigan 48073
Abbott Northwestern Hospital Minneapolis Minnesota 55407
Mayo Clinic Rochester Minnesota 55902
St. Paul Heart Clinic Saint Paul Minnesota 55102
University of Mississippi Healthcare Center Jackson Mississippi 39216
St. Luke's Hospital Kansas City Missouri 64111
Nebraska Heart Institute Lincoln Nebraska 68526
Cooper University Hospital Camden New Jersey 08103
New Mexico Heart Institute Albuquerque New Mexico 87102
New York University Medical Center New York New York 10016
Columbia University Medical Center New York New York 10032
Mt. Sinai Medical Center New York New York
Summa Health System Akron Ohio 44304
Lindner Clinical Trial Center Cincinnati Ohio 45219
Cleveland Clinic Foundation Cleveland Ohio 44195
Ohio State University Columbus Ohio 43210
Riverside Methodist Hospital Columbus Ohio 43214
Geisinger Medical Center Danville Pennsylvania 17822
Harrisburg Hospital / Associated Cardiology Harrisburg Pennsylvania 17110
Allegheny General Hospital Pittsburgh Pennsylvania 15212
Presbyterian University Hospital Pittsburgh Pennsylvania 15213
Moffitt Heart & Vascular Wormleysburg Pennsylvania 17043
Mercy Medical Center West Knoxville Tennessee 37934
St. Thomas Research Institute Nashville Tennessee
Texas Cardiac Arrhythmia Austin Texas 78705
St. Lukes Episcopal Hospital Houston Texas 77030
Intermountain Medical Center Salt Lake City Utah 84107
University of Virginia Charlottesville Virginia 22908
Inova Fairfax Hospital Falls Church Virginia 22042
Sentara Norfolk General Hospital Norfolk Virginia 23507
Swedish Medical Center Seattle Washington 98104
Marshfield Clinic Marshfield Wisconsin 54449

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00129545, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 14, 2015 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00129545 live on ClinicalTrials.gov.

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